SDA IS A REGISTERED PROFESSIONAL ENGINEERING FIRM,
LICENSED TO PRACTICE IN THE FOLLOWING STATES:

  • Connecticut
  • Delaware
  • Illinois
  • Maine
  • Maryland
  • Massachusetts
  • New Jersey
  • New York
  • Pennsylvania
  • Rhode Island
  • Virginia

All of our engineers have Professional Engineering (P.E.) certifications, including B.S. or M.S. degrees in engineering, and have collectively worked in this industry for over 60 years.